M4B converter

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Your files are completely safe and accessible only to you. All files will be permanently deleted within 2 hours after conversion.
About M4B

Audiobook and podcast files also contain metadata, chapter markers, images, and hyperlinks, more commonly use the M4B extension. M4B files most commonly use AAC (Advanced Audio Codec).

How to convert a file to M4B?

Click the «Choose files» button and select the files you want to convert.

Choose «M4B» as target format. Click «Convert» to start converting files to M4B. It only takes a few seconds.

Done! Your files are converted to M4B format. You can download them to your device.

Supported conversions

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Advantages of MiConv M4B Converter

Online M4B conversion

You don't need to download and install any software to convert files to .m4b format. All conversions take place in the cloud.

File security

Don't worry about your files. Only you have access to them. Confidentiality is guaranteed.

Fast and free

Convert your m4b files in 2 clicks. And don't pay anything for it! MiConv M4B Converter is free for all users.

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